Feature●Material: Marine grade Stainless Steel 316, Surface: Mirror polished/High polish finish.Ultimate Corrosion Resistant.●Overall Length:3.6inch(92mm), Thread length:2.5inch(64mm), Barb length: 1inch(25mm),●Outside flange diameter: 1.5inch(38mm), Barb diameter: 25.4 mm / 1, Thread Size: 0.8 inch(22mm) , Weight: 4.8 oz(136 g)●The Barbed long Straight Thru-Hull fits 3/8" inner diameter marine hoses. Includes 316 stainless steel mounting nuts and rubber gasket,installs easy.●Underside of flange has a groove cut in it to trap a bead of silicone between it and the mounting surface. Flange head is very evenly polished. Nut mates with threads exactly; hardness of metal is excellent. Two slightly protruding pins within the interior of the drain allow for a wide blade flat screwdriver to be inserted and prevents the flange portio from turning when nut is installed.[B-1-1 & 4 ]
![](https://m.media-amazon.com/images/I/4113KvAhFlL._AC_.jpg)
[A-1 ]
![](https://m.media-amazon.com/images/I/31shy994GOL._AC_.jpg)
[B-1 & 2 ]
![](https://m.media-amazon.com/images/I/31WvyhZcVdL._AC_.jpg)
[A-1 & 2 ]
![](https://m.media-amazon.com/images/I/31k16RAE1cL._AC_.jpg)
[B-3 & 4 ]
![](https://m.media-amazon.com/images/I/31PW6kHbrEL._AC_.jpg)
[A-1-1 & 4 ]
![](https://m.media-amazon.com/images/I/41JADLdKEoL._AC_.jpg)
[3 & 4 inch]
Description